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Loop Gain and Sleep Disordered Breathing

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Abstract:

There is a close relationship among the types of sleep apnea (central, obstructive, and mixed) in regard to both the pathogenesis and in the clinical management of sleep apnea syndromes. This review will recount the rationale for the use of animal models in understanding intermediate traits, such as the ventilatory responses to hypoxia and reoxygenation, seen with human sleep apnea. One feature of particular interest will be the dynamic responses of the control system, specifically the instability over time that could operate to produce repetitive apneas. The recurrent nature of clinically significant sleep apnea can be understood in terms of feedback control, or “loop gain”. We will discuss findings in a mouse model for recurrent apneas and propose that there exist genetic mechanisms that could determine loop gain in the respiratory control system.





Keywords: Sleep apnea; animal model; hypoxia; respiratory control

Document Type: Research Article

DOI: http://dx.doi.org/10.2174/157339807779941794

Affiliations: Case Western Reserve University, Louis Stokes DVA Medical Center, 111j(w) VAMC, 10701 East Boulevard, Cleveland, OH 44107, USA.

Publication date: February 1, 2007

More about this publication?
  • Current Respiratory Medicine Reviews publishes frontier reviews on all the latest advances on respiratory diseases and its related areas e.g. pharmacology, pathogenesis, clinical care, and therapy. The journal's aim is to publish the highest quality review articles dedicated to clinical research in the field. The journal is essential reading for all researchers and clinicians in respiratory medicine.
ben/crmr/2007/00000003/00000001/art00013
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